Bell 412 Questions
1) What are the colors on the main rotor blades and hub, the dots that are red, white, blue...
2) What is 2per rev, 4 per rev..... 3) Can a Governor failure (low side) lead to a Bell 412 crash? 4) During Uncontrolled yaw and descent at low Rotor RPM, can the mast bump, or can the main rotor hit the tail boom ?? |
1.- RED-BLUE and GREEN-ORANGE
2.- Vibs associated with a frequency equivalent to 2 per rev of main rotor, 4 per rev of main rotor, etc... 3.- Sure 4.- Dont know for sure but my logic says yes to both questions |
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